In 37 BC, Zhu Meng, a member of the Fuyu ethnic ... and the city came under the jurisdiction of the Xuantu jun of the Han Dynasty. The Western Han Dynasty actually administered the vast area ...

[Photo by He Dongping/Zhu Jun/For China Daily] Before the compass was invented ... This coarse paper was created in the Western Han Dynasty but it was too hard to write on so it wasn’t widely used.